Finding the Fourth Proportional to 324,345,599.12, 447,604,153.99 and 185,113,567.28
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Solution
The fourth proportional to 324,345,599.12, 447,604,153.99 and 185,113,567.28 is: 255,460,847.62
Step by Step Solution
- Step 1: Write the proportion equation
324,345,599.12 : 447,604,153.99 = 185,113,567.28 : x - Step 2: Convert to fraction form
324,345,599.12/447,604,153.99 = 185,113,567.28/x - Step 3: Cross multiply
324,345,599.12x = 447,604,153.99 × 185,113,567.28 - Step 4: Simplify right side
324,345,599.12x = 82,857,601,675,091,568 - Step 5: Solve for x
x = 82,857,601,675,091,568/324,345,599.12 - Step 6: Final answer
x = 255,460,847.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.